Pasadena, Calif.-based Tetra Tech Inc. has been awarded two wind energy projects totaling approximately $28 million by PacifiCorp. Work on the two projects will begin immediately and is expected to be completed in December. Tetra Tech will provide engineering, procurement and construction services for the Seven Mile Hill II and the Glenrock III wind farm projects.

Seven Mile Hill II, located in Carbon County, Wyo., will include 13 GE wind turbines with a nameplate capacity of 19.5 MW, and Glenrock III, located in Converse County, Wyo., will include 26 GE turbines with a nameplate capacity of 39 MW.